<h2>My Heroes</h2>
<div>
  <label>Hero name:
    <input #heroName />
  </label>
  <button (click)="add(heroName.value); heroName.value=''">add</button>
</div>
<ul class="heroes">
  <li *ngFor="let hero of heroes" >
    <a routerLink="/detail/{{ hero.id }}">
      <span class="badge">{{ hero.id }}:</span>{{ hero.name }}
    </a>
    <button class="delete" title="delete hero" (click)="delete(hero)">x</button>
  </li>
  </ul>

